I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 3.33" x 0.65" (3-5/16" x 5/8" or 84.5mm x 16.5mm). collar bar: none. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
The "Cavalry Officer Cutlass Saber Sword Folding Vintage SLICK LARGE Tie Bar Clip" product would be an ideal fit for collectors, historians, or fans of military gear seeking a unique and authentic looking tie bar clip with a sleek and sharp design.
